On eBay today, the total number of auctions for the different categories of computing platforms was: Laptops = 73.7%; Desktops = 8.1%; Tablets = 6.4%; I-Pad = 16.0%. This breakdown includes the main unit plus all accessories and parts categories for the respective devices.

Tablets will suffer adoption problems in business for two primary reasons: one, the perceived inadequacy of administrative control over the devices; and two, the business infrastructure is predominately based on Windows, not Apple, Android, or Linux.

OEMs such as RIM and Palm developed robust, proprietary administrative tools; but it took years for their devices to filter into the mainstream business environment. Tablets by their very nature favor open access apps, tools, and protocols that are difficult to lock down when security is an issue.

Three decade old input methods for computing platforms, namely a keyboard and mouse, are competing with touch and voice command interfaces, thus input errors will increase in frequency on these devices.

Tablets are good at selecting items from an existing presentation of options by touch; but are not designed for content creation.

The typical Android powered consumer grade tablet will have a street price under $250 as of the Summer 2011, compared to just over $100 for an eBook Reader, $400 for a Windows desktop, or around $500 for a Windows laptop.